Radiant|Lab Grown|IGI

1.21ct D VS1 Radiant Lab Grown Diamond

GD • D/VS1 • IGI LG846667340

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG846667340

Diamond specifications and retailer prices

From $254 AUD
As of October 30, 2026
Save $1,346 AUD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,600 AUD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.21ct lab-grown radiant diamond

This 1.21ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG846667340 or 846667340. Listed at 17 retailers as of October 30, 2026, with prices from $254 to $1,600, a $1,346 spread on the same certified stone. Reve Diamonds lists it at $1,600. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.21
Carat
D
Colour
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle32.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846667340
Dimensions7.71 × 4.98 × 3.46 mm
L/W Ratio1.55
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.71 mm4.98 mm1.21 ctD / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846667340
Side View
Table 65.0%Crown 39.6°Girdle: MediumPavilion 32.1°Culet: NoneDepth 69.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $556 AUD|Low: $254 AUD|High: $1,600 AUD|Avg: $695 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
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Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Reve Diamonds
October 31, 2026
Retailer 13$254 AUD
Retailer 3$284 AUD
Retailer 8$294 AUD
Retailer 5$314 AUD
Retailer 17$314 AUD
Retailer 10$421 AUD
Retailer 2$435 AUD
Retailer 12$539 AUD
Retailer 1$556 AUD
Retailer 11$563 AUD
Retailer 16$653 AUD
Retailer 7$667 AUD
Retailer 14$765 AUD
Retailer 4$1,009 AUD
Retailer 15$1,066 AUD
Retailer 9$1,086 AUD
Retailer 6$1,470 AUD
Reve Diamonds$1,600 AUD

8 data points across 18 retailers

17 retailers$254 AUD to $1,600 AUD

A
Cheapest Retailer
-
$254 AUD
Retailer 2
-
$294 AUD
View
Price last confirmed 8 days ago
Retailer 3
-
$314 AUD
View
Price last confirmed 11 days ago
A
Retailer 4
-
$314 AUD
View
A
Retailer 5
-
$421 AUD
View
B+
Retailer 6
-
$435 AUD
View
Retailer 7
-
$539 AUD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
$556 AUD
View
B+
Retailer 9
-
$563 AUD
View
B+
Retailer 10
-
$653 AUD
View
B+
Retailer 11
-
$667 AUD
View
Retailer 12
-
$765 AUD
View
Price last confirmed 10 days ago
Retailer 13
-
$1,009 AUD
View
Price last confirmed 8 days ago
B
Retailer 14
-
$1,066 AUD
View
B
Retailer 15
-
$1,086 AUD
View
Retailer 16
-
$1,470 AUD
View
Price last confirmed 10 days ago
Most Expensive
B
Reve Diamonds
36A11B55A · Oct 30
$1,600 AUD
$1,122 USD
View
16 more retailers have this diamond
Prices start from $254 AUDSave up to $1,346 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.21ct Radiant
$254 AUD